Originally Posted by Rusty

I have the Zspeed aluminum front under tray installed. I had clipped a few corners while doing track days and hit a road kill one time. This had popped the 3 plastic fasteners off from under the Z. You know the 3. On the part of the frame in front of the engine. While here is my fix for never again having those 3 pieces of plastic mess with me. This will work with the stock plastic under tray too.

Ordered from McMaster-Carr some rivet-nuts. A 25/64" drill bit, a 1/4 fender washer, 3 1/4x20 stainless bolts, 3 1/4" stainless flat washers.